Service manual

2-14
S-101
TROUBLESHOOTING
Revised 09/2004
e-mail: [e-mail]; [e-mail]; website: www.amfreece.com
Phones: [phone] (Service), [phone] (Spare Parts); Fax: [phone]
TABLE OF CONTENTS
Sheet
22. Skipping at the start usually caused by the following ........................................... 2-7
23. Skipping at the junction of the Y of the tail bar .................................................. 2-7
24. Stitches raveling back at end of buttonhole ........................................................ 2-7
25. Breaking upper thread ...................................................................................... 2-7
26. Thread breaking and running back out on needle bar ......................................... 2-8
27. Breaking under thread ...................................................................................... 2-8
28. Breaking, bending or hooking needles ............................................................... 2-8
29. Changing character of buttonhole ...................................................................... 2-9
30. Pulling up stitches ............................................................................................. 2-9
CORD TRIMMER .............................................................................................................. 2-10
THEORY AND OPERATION OF THE TRIMMING FUNCTION .................................... 2-10
1. End of upper thread is insufficient for a proper start ............................................. 2-11
2. End of upper thread too long .............................................................................. 2-11
3. Length of under thread short for a proper start .................................................... 2-11
4. Umder thread creeping under the fork in spreader ............................................... 2-11
5. End of cord too long for start .............................................................................. 2-11
6. End of cord too short ......................................................................................... 2-12
7. Hold-down finger 10.2212 not holding work properly ......................................... 2-12
8. Shears not cutting ............................................................................................... 2-12
9. Trimming not close enough .................................................................................. 2-12
10. Work being drawn into shears ........................................................................... 2-12